Closure fasteners – Ball
Patent
1977-06-13
1978-09-05
Moore, Richard E.
Closure fasteners
Ball
E05C 1304
Patent
active
041114779
ABSTRACT:
A window guard release mechanism and method. A window guard is attached to a casement on hinges and a hole drilled through the adjacent wall. A quick release pin is inserted through the hole. A keeper is fixed to and aligned on the window guard to connect and lock to the release pin. A spring biases the keeper so that unlocking the release pin from the keeper, by pressing an attached activating button, causes the keeper to eject from the release pin, swinging the attached window guard open, providing quick access through the window without interference by the window guard.
REFERENCES:
patent: 495130 (1893-04-01), Flynn
patent: 3027188 (1962-03-01), Eichsladt
patent: 3037256 (1962-06-01), Chapman
patent: 3214195 (1965-10-01), Zahuranec et al.
patent: 3921334 (1975-11-01), Black, Sr.
patent: 3932916 (1976-01-01), Baker
patent: 4016914 (1977-04-01), Zurko
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